Product Overview

The Pentair TR140C 36" Triton C Sand Filter is a high-capacity commercial sand filter built for demanding pool and aquatic facility applications. Designed with Pentair’s durable fiberglass-reinforced tank construction, the TR140C delivers dependable filtration performance, long service life, and simplified maintenance for commercial pools, high-end residential pools, and large water systems.

With a 36-inch tank diameter, 7.06 sq. ft. filtration area, and a rated flow of 141 GPM, this filter is ideal for systems that require consistent water clarity and efficient turnover. The Triton C series uses a multi-diffuser internal design to help distribute water evenly across the sand bed, improving filtration performance and extending time between cleanings.

Ideal For

The Pentair TR140C is a strong choice for:

Commercial swimming pools
Hotel and resort pools
HOA and community pools
Large residential pool systems
Aquatic facilities requiring high-capacity sand filtration
Tandem or multi-filter installations

Key Features

High-Capacity Commercial Filtration
Rated for up to 141 GPM with 7.06 sq. ft. of filtration area, making it well-suited for high-demand pool systems.

Fiberglass-Reinforced Tank
Built with Pentair’s Glas-Lok fiberglass-reinforced construction and UV-resistant finish for strength, durability, and resistance to harsh outdoor conditions.

Multi-Diffuser Internal Design
The Triton C design helps level the sand bed and promote even water flow for efficient filtration and longer operating cycles between cleanings.

Commercial Flow Capability
Designed for commercial applications with filtration rates up to 20 GPM per sq. ft. of filter media.

Easy Service Access
Features an 8-inch opening for access to the sand bed and a full 2-inch drain to help simplify servicing and winterizing.

Pressure Gauge and Air Relief
Includes an easy-to-read pressure gauge with air relief valve for routine system monitoring and maintenance.

Valve Sold Separately
This model is supplied without a valve, allowing the installer to select the proper valve configuration for the system.

Benefits

The Pentair TR140C provides reliable, commercial-grade filtration in a durable fiberglass tank. Its large filtration area and high flow rating make it suitable for demanding pool environments, while the internal diffuser system helps reduce channeling and improve filtration efficiency. The service-friendly design, large access opening, and 2-inch drain help make maintenance easier for pool professionals and facility operators.

Specifications

Customer-Facing Q&A

Q: Does this Pentair TR140C filter include a valve?
A: No. The Pentair TR140C 140316 is sold without a valve, so the correct side-mount valve must be purchased separately based on the plumbing setup.

Q: How much sand does the TR140C require?
A: This filter requires approximately 650 lb of filter sand and 275 lb of pea gravel.

Q: What is the flow rate of this filter?
A: The Pentair TR140C is rated at 141 GPM.

Q: Is this filter for residential or commercial pools?
A: The TR140C is designed primarily for commercial applications, but it may also be used on high-end residential systems where the pool equipment setup requires a large-capacity sand filter.

Q: What is the maximum operating pressure?
A: The maximum operating pressure is 50 PSI.

Q: What color is this filter?
A: This model comes in Almond.

Installation Notes

Professional installation is recommended. Always confirm valve compatibility, plumbing size, media requirements, and local code requirements before installation. The filter must be depressurized before opening or servicing.